function mail_list(useremail) {
	popupWin = window.open('mailinglist.html?email='+useremail, 'participant','location=yes,scrollbars=yes,width=350,height=400'); 
} 
function mail_get(){
	var getvars = String(document.location).split('?');
	if(getvars.length>1){
		for(var i=0;i<getvars.length;i++){
			var getvar = getvars[i].split('=');
			var emailelm = document.getElementById('newsemail');
			emailelm.value = getvar[1];
		}
	}
}